Bücher
Two Thousand Years of Economic Statistics, Years 1-2014, Vol. 1, by Rank
2016
Two Thousand Years of Economic Statistics, Years 1-2014, Vol. 2, by Country
2016
Quality of Life, Balance of Power, and Nuclear Weapons (2016)
2015
Two Thousand Years of Economic Statistics, Years 1–2012
2015
Two Thousand Years of Economic Statistics, Years 1 - 2012
2015
Quality of Life, Balance of Power, and Nuclear Weapons (2015)
2015